This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 43 |
| 2 | 1849 |
| 3 | 79507 |
| 4 | 3418801 |
| 5 | 147008443 |
| 6 | 6321363049 |
| 7 | 271818611107 |
| 8 | 11688200277601 |
| 9 | 502592611936843 |
| 10 | 21611482313284249 |
| 11 | 929293739471222707 |
| 12 | 39959630797262576401 |
| 13 | 1718264124282290785243 |
| 14 | 73885357344138503765449 |